92 80LANAC&B. 



Stems slender, low, growing on salt-marsh plants 3 



Stems coarser: corolla much exceeding the calyx, 2J to 4 lines long 4 



Sterna coarse: corolla lobes acute, usually inflexed 6 t 6 



1. C. arvensis, Beyrich. Flowers scarcely a line long in dense clusters. 

 2 C. Californica, Choisy. Calyx lobes acute: corolla lobes slender. 



3. C. ealina, Engelm. Delicate white flowers l^-2 lines long. 



4. C. subinclusa, D. & n. Flower clusters globose, 6 to 12 lines thick. 

 6. C. decora, Choisy. Flowers fleshy and papillose: clusters close. 



6. C. racemosa, Martius, var. Cliiliana, Eugelm. Corolla thin. From Chili 



SOLANACEJE. 



Corolla rotate: anthers connivent around the style : fruit a berry 1 



Corolla rotate-campanulato: anthers not connivent: berry enclosed in the loose inflated 

 calyx. May appear in cultivated ground. Physalis. 



Corolla tubular-funnelform, in. long or less: spiny shrubs 2 



Corolla funnelform, large: fruit large, covered with spines 3 



Corolla funnelform or tubular: capsule small, smooth 4 



Corolla funnelform, 3-5-lines long: limb purple: stamens unequal 5 



1. SOLANTTM, Tournefort. 



Corolla deeply 5-clef t, white or bluish : berries black or red 1, 2 



Corolla only 5-angled or slightly lobed, violet or blue 3, 4 



1. S. nigrum, L. Herbaceous: leaves mostly ovate, sinuate-toothed, acute. 



2. S. Douglasii, Dunal. Woody-stemmed: flowers 5-8 lines broad, often bluish. 



3. S. Xanti, Gr. Woody at base: hairs jointed: leaves mostly obtuse at base. 



4. S. umbel liferum, Esch. More woody: hairs branched: leaf -base mostly narrow. 



2. LYCIUM, Linnaeus. 



1 L. Californicum, Nutt. Leaves fleshy, 1-3 lines long: flower parts in 4's. 

 2. X*. Anderson!, Gr. Leaves larger: flowers largei, 6-6 lines long. San Diego. 



3. DATURA. Linnaeus. 



Calyx acutely 5-angled: fruit erect, ovoid 1, 2, 8 



Fruit nodding, globose 4 



Calyx scarcely angled: corolla 5 or C in. long: fruit nodding globose 6 



1. D. Stramonium, L. Smooth: corolla white: lower prickles of capsule shorter. 



2. D. Tatula, L. Similar: Stems usually purple: corolla pale violet. 



8. D. quercifolia, HBK. Leaves sinuate pinnatifid: prickles unequal, flat. 



